Waltons 20 x 10 premier groundsman apex wooden workshopthe waltons 20 x 10 premier groundsman apex workshop is a huge sturdy and superb quality garden building build to suit all kinds of storage needs due to the workshops mega 20 x 10 size you can store anything without having to care for storage space we have built these wooden apex workshops with high eaves height which means you get more headroom and the better storage room for taller items to provide you with great quality wood